Main content
Course: High school biology?>?Unit 9
Lesson 1: Introduction to ecologyIntroduction to ecology
Problem
Which ecological level consists of a group of one species living in a given area?
If you're seeing this message, it means we're having trouble loading external resources on our website.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.